National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

John Glenn Columbus International Airport (KCMH)

Lat: 39.99°NLon: 82.88°WElev: 807ft.

Fair

58°F

14°C

Humidity 87%
Wind Speed Calm
Barometer 30.23 in (1023.1 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 5 Oct 6:51 am EDT
Extended Forecast for

Johnstown OH

  • Today

    Today: Sunny, with a high near 83. Light southeast wind becoming south 5 to 9 mph in the morning.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 55. South wind 5 to 7 mph.

    Low: 55 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 82. Southwest wind 5 to 10 mph.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 62. South wind 6 to 8 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Partly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 73. Southwest wind 6 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 73 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm, mainly before 2am, then a chance of showers and thunderstorms after 2am. Low around 52. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 52 °F

    Showers

  • Wednesday

    Wednesday: A chance of showers before 8am. Mostly sunny, with a high near 66. Chance of precipitation is 30%.

    High: 66 °F

    Chance
    Showers then
    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 41.

    Low: 41 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 83. Light southeast wind becoming south 5 to 9 mph in the morning.
Tonight
Clear, with a low around 55. South wind 5 to 7 mph.
Monday
Sunny, with a high near 82. Southwest wind 5 to 10 mph.
Monday Night
A chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 62. South wind 6 to 8 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 73. Southwest wind 6 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night
Showers and possibly a thunderstorm, mainly before 2am, then a chance of showers and thunderstorms after 2am. Low around 52. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A chance of showers before 8am. Mostly sunny, with a high near 66. Chance of precipitation is 30%.
Wednesday Night
Clear, with a low around 41.
Thursday
Sunny, with a high near 67.
Thursday Night
Mostly clear, with a low around 47.
Friday
Mostly sunny, with a high near 71.
Friday Night
Partly cloudy, with a low around 49.
Saturday
Sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
Johnstown OH
 40.16°N 82.69°W (Elev. 1112 ft)
Last Update:
4:00 am EDT Oct 5, 2025
Forecast Valid:
7am EDT Oct 5, 2025-6pm EDT Oct 11, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation